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path: root/drivers/video/backlight/wm831x_bl.c
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Diffstat (limited to 'drivers/video/backlight/wm831x_bl.c')
-rw-r--r--drivers/video/backlight/wm831x_bl.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 9e5517a3a52b..8b9455e93069 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -123,7 +123,7 @@ static const struct backlight_ops wm831x_backlight_ops = {
static int wm831x_backlight_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
- struct wm831x_pdata *wm831x_pdata;
+ struct wm831x_pdata *wm831x_pdata = dev_get_platdata(pdev->dev.parent);
struct wm831x_backlight_pdata *pdata;
struct wm831x_backlight_data *data;
struct backlight_device *bl;
@@ -131,12 +131,10 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
int ret, i, max_isel, isink_reg, dcdc_cfg;
/* We need platform data */
- if (pdev->dev.parent->platform_data) {
- wm831x_pdata = pdev->dev.parent->platform_data;
+ if (wm831x_pdata)
pdata = wm831x_pdata->backlight;
- } else {
+ else
pdata = NULL;
- }
if (!pdata) {
dev_err(&pdev->dev, "No platform data supplied\n");
@@ -197,8 +195,8 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
props.max_brightness = max_isel;
- bl = backlight_device_register("wm831x", &pdev->dev, data,
- &wm831x_backlight_ops, &props);
+ bl = devm_backlight_device_register(&pdev->dev, "wm831x", &pdev->dev,
+ data, &wm831x_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
return PTR_ERR(bl);
@@ -216,21 +214,12 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
return 0;
}
-static int wm831x_backlight_remove(struct platform_device *pdev)
-{
- struct backlight_device *bl = platform_get_drvdata(pdev);
-
- backlight_device_unregister(bl);
- return 0;
-}
-
static struct platform_driver wm831x_backlight_driver = {
.driver = {
.name = "wm831x-backlight",
.owner = THIS_MODULE,
},
.probe = wm831x_backlight_probe,
- .remove = wm831x_backlight_remove,
};
module_platform_driver(wm831x_backlight_driver);